发明名称 |
Method and apparatus for beneficiating soils during vacuum excavation |
摘要 |
An apparatus for soil excavation having a vacuum hose, a vacuum holding tank and at least one air lance and/or water jet, in which a soil beneficiating agent is introduced into the soil during one or more of the steps of the vacuum excavation process.
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申请公布号 |
US7234252(B2) |
申请公布日期 |
2007.06.26 |
申请号 |
US20040972500 |
申请日期 |
2004.10.25 |
申请人 |
JARNECKE DENNIS R;TODRES HYMAN AARON |
发明人 |
JARNECKE DENNIS R.;TODRES HYMAN AARON |
分类号 |
E02F3/88 |
主分类号 |
E02F3/88 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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